Force by gravity is balanced by the magnetic force
3. A straight wire of mass 200 g and length 1.5 m carries a current of...
A horizontal wire with a mass per unit length of 0.4kg/m carries a current of 2A in the +x direction. If the wire is placed in a uniform magnetic flux density B, what should the direction and minimum magnitude of B be in order to magnetically lift the wire vertically upward? (The acceleration due to gravity is g- 9.8az m/s2) (20 points). 4.
A horizontal wire with a mass per unit length of 0.4kg/m carries a current of 2A in...
A horizontal wire with a mass per unit length of 0.2 kg/m carries a current of 2 A in the +x-direction. If the wire is placed in a uniform magnetic flux density B, what should the direction and minimum magnitude of B be in order to magnetically lift the wire vertically upward? (Hint: The acceleration due to gravity is g= - z9.8 m/s2.)
A long, straight wire of length 1.2 m carries current I = 1.6 A. If a magnetic field of magnitude B = 1.1 T is directed perpendicular to the wire, what is the magnitude of the force on the wire? N
A horizontal wire of length 1.0 m carries a current of 48 A to the right. A second wire with a length of 0.5 m and a mass of 0.50 kg is suspend 0.30 m above the first wire. In what direction(left or right) does the current in the upper wire have to flow in order to be suspended against the force of gravity? What is the magnitude of the magnetic field (in mu T) due to the bottom wire...
A straight wire carries a current of 10 A at an angle of 30* with respect to the direction of a uniform 0.30 T magnetic field. Find the angle the magnitude of the magnetic force on a 0.50 m length of the wire.
A 2.5 cm-long horizontal wire segment has mass 0.15 g and carries a current sufficiently large that it levitates when the segment is in a region of B field upward with magnitude 1.5 T. The current is passed to the segment that is in the magnetic field by way of massless electrical leads. What is the magnitude of the current that the wire carries?
A wire 2.80 m in length carries a current of 8.00 A in a region where a uniform magnetic field has a magnitude of 0.450 T. Calculate the magnitude of the magnetic force on the wire assuming the following angles between the magnetic field and the current. (a) 60.0° (b) 90.0° (c) 120°
A wire 2.80 m in length carries a current of 6.40 A in a region where a uniform magnetic field has a magnitude of 0.360 T. Calculate the magnitude of the magnetic force on the wire for the following angles between the magnetic field and the current (a) 60.0° N (b) 90.0° N (c) 120° N
Question 14 (7 points) A straight wire of length L carries a current I in the positive z-direction in a region where the magnetic field is uniform and specified by B = 3Bữ – 2Bỳ + Bĩ and B is a constant. What is the magnitude of the magnetic force on the wire? 1.0 ILB 03. 2 ILB O 3.6 ILB 4.2 ILB 0 5.0 ILB
4. (3 marks) A straight wire of length 0.65 m carries a current of I = 1.7 A. The strength of the magnetic field in the region is 1.6 T. If the force on the wire is 1.1 N, determine the angle between he field and the wire.